On Tue, Mar 19, 2019 at 11:39:59PM -0400, Zygo Blaxell wrote: > I haven't been able to easily reproduce these in a test environment; > however, they have been happening several times a year on servers in > production. > > Kernel: most recent observation on 4.14.105 + cherry-picked deadlock > and misc hang fixes: > > btrfs: wakeup cleaner thread when adding delayed iput > Btrfs: fix deadlock when allocating tree block during leaf/node split > Btrfs: use nofs context when initializing security xattrs to avoid > deadlock > Btrfs: fix deadlock with memory reclaim during scrub > Btrfs: fix deadlock between clone/dedupe and rename > > Also observed on 4.20.13, and 4.14.0..4.14.105 (4.14.106 is currently > running, but hasn't locked up yet). > > Filesystem mount flags: compress=zstd,ssd,flushoncommit,space_cache=v2. > Configuration is either -draid1/-mraid1 or -dsingle/-mraid1. I've > also reproduced a lockup without flushoncommit. > > The machines that are locking up all run the same workload: > > rsync receiving data continuously (gigabytes aren't enough, > I can barely reproduce this once a month with 2TB of rsync > traffic from 10 simulated clients) > > bees doing continuous dedupe > > snapshots daily and after each rsync > > snapshot deletes as required to maintain free space > > scrubs twice monthly plus after each crash > > watchdog does a 'mkdir foo; rmdir foo' every few seconds. > If this takes longer than 50 minutes, collect a stack trace; > longer than 60 minutes, reboot the machine. > > Observations: > > In the past I've hit the known deadlocks between rsync > (rename) and dedupe, and between snapshot delete and scrub. > These deadlocks aren't those, and current kernels can still > deadlock with fixes for those (and some others) applied. > > Deadlocks can occur when there are no snapshot deletes active > and scrub is not running. In a few cases there's been a snapshot > create active during a deadlock event. > > The deadlocks occur in bursts, which correlate to periods > of rapid data expansion on the filesystem. e.g. after a big > snapshot delete frees a TB or two of space, there are several > lockups a few days (or even hours) apart. When the filesystem > gets near the free space threshold and a series of smaller > snapshot deletes occur, so that allocated space stays relatively > stable, then there can be months between lockups. > > Other bugs in 4.14 kernels break lockdep soon after boot, so > there's only lockdep information in a few cases by the time the > btrfs deadlock happens. > > There seem to be a few different identifiable behaviors, e.g. > in some cases the 50-minute timer expires (so a stack trace is > collected) but the 60-minute timer doesn't expire (so the machine > got itself out of the lockup somehow, and doesn't reboot). > > Distractions: > > In some cases increasing vm.dirty_ratio will unfreeze the > filesystem, in other cases it does nothing. Decreasing > vm.dirty_ratio (e.g. to 2) locks up the filesystem almost > immediately, but it can recover if vm.dirty_ratio is increased > again. I'm not sure if this is because there are two separate > bugs, or just a single bug with corner cases. >
Here's one on 4.20.13. Alas, no lockdep output in this one. I note that there is both rename and dedupe in here, but they don't seem to be deadlocked with each other (that case would have lock_two_nondirectories in the stack, and that isn't present here). [573870.943159] sysrq: SysRq : Show Blocked State [573870.948005] task PC stack pid father [573870.954068] btrfs-transacti D 0 4481 2 0x80000000 [573870.960142] Call Trace: [573870.963075] ? __schedule+0x3cf/0xb60 [573870.967334] schedule+0x39/0x90 [573870.971170] btrfs_commit_transaction+0x2a7/0x990 [573870.976658] ? wait_woken+0xa0/0xa0 [573870.980761] transaction_kthread+0x149/0x180 [573870.985725] kthread+0x106/0x140 [573870.989529] ? btrfs_cleanup_transaction+0x620/0x620 [573870.995281] ? kthread_park+0x90/0x90 [573870.999734] ret_from_fork+0x3a/0x50 [573871.003985] crawl_5 D 0 4547 4537 0x00000000 [573871.010913] Call Trace: [573871.014051] ? __schedule+0x3cf/0xb60 [573871.018543] schedule+0x39/0x90 [573871.022735] wait_current_trans+0xc3/0x100 [573871.027895] ? wait_woken+0xa0/0xa0 [573871.032218] start_transaction+0x13f/0x460 [573871.035587] btrfs_clone+0x5cd/0xcf0 [573871.037992] ? do_raw_spin_lock+0xa0/0xb0 [573871.041436] btrfs_extent_same_range+0x380/0x440 [573871.045232] btrfs_remap_file_range+0x2d8/0x300 [573871.049143] vfs_dedupe_file_range_one+0x10c/0x160 [573871.053176] vfs_dedupe_file_range+0x14c/0x1e0 [573871.056805] do_vfs_ioctl+0x278/0x6f0 [573871.059844] ? __fget+0x11f/0x210 [573871.062627] ksys_ioctl+0x70/0x80 [573871.064115] __x64_sys_ioctl+0x16/0x20 [573871.065819] do_syscall_64+0x60/0x190 [573871.068437] entry_SYSCALL_64_after_hwframe+0x49/0xbe [573871.071756] RIP: 0033:0x7fd5eda85017 [573871.072514] Code: Bad RIP value. [573871.074543] RSP: 002b:00007fd5ed19e998 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [573871.079062] RAX: ffffffffffffffda RBX: 00007fd5880c2070 RCX: 00007fd5eda85017 [573871.084890] RDX: 00007fd5880c2070 RSI: 00000000c0189436 RDI: 0000000000000249 [573871.090847] RBP: 00007fd5ed19ed20 R08: 00007fd5885a9f20 R09: 0000000000000000 [573871.096633] R10: 00007fd5ed19ef40 R11: 0000000000000246 R12: 0000000000000001 [573871.102273] R13: 0000000000000018 R14: 00007fd5885a9f38 R15: 00007fd5ed19ed28 [573871.107906] hash_writeback D 0 4551 4537 0x00000000 [573871.112175] Call Trace: [573871.114219] ? __schedule+0x3cf/0xb60 [573871.117138] ? _raw_spin_unlock_irqrestore+0x32/0x60 [573871.121025] schedule+0x39/0x90 [573871.123576] schedule_timeout+0x1de/0x4e0 [573871.126728] ? collect_expired_timers+0xb0/0xb0 [573871.130113] io_schedule_timeout+0x19/0x40 [573871.133246] balance_dirty_pages+0x354/0xeb0 [573871.136407] ? lock_acquire+0xbc/0x1c0 [573871.139268] ? kvm_sched_clock_read+0x14/0x30 [573871.142567] balance_dirty_pages_ratelimited+0x5e0/0xae0 [573871.146543] btrfs_buffered_write.isra.4+0x40a/0x7b0 [573871.150250] btrfs_file_write_iter+0x224/0x5c3 [573871.153632] __vfs_write+0x113/0x1a0 [573871.156478] vfs_write+0xc5/0x1b0 [573871.159245] ksys_pwrite64+0x74/0x90 [573871.162194] do_syscall_64+0x60/0x190 [573871.165247] entry_SYSCALL_64_after_hwframe+0x49/0xbe [573871.169292] RIP: 0033:0x7fd5ee5f0983 [573871.172240] Code: Bad RIP value. [573871.174953] RSP: 002b:00007fd5e6ffc390 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [573871.180664] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007fd5ee5f0983 [573871.186068] RDX: 0000000000020000 RSI: 00007fd59c000d80 RDI: 0000000000000005 [573871.191469] RBP: 000000001f7e0000 R08: 00007fd59c000d80 R09: 0000000000020010 [573871.196794] R10: 000000001f7e0000 R11: 0000000000000293 R12: 00007fd5e6ffc5c0 [573871.202069] R13: 0000000000020000 R14: 00007fd5bf7e0000 R15: 00007fd59c020d80 [573871.207279] hash_prefetch D 0 4552 4537 0x00000000 [573871.211333] Call Trace: [573871.213305] ? __schedule+0x3cf/0xb60 [573871.216119] ? mark_held_locks+0x6a/0x90 [573871.219125] ? rwsem_down_write_failed+0x165/0x300 [573871.222752] schedule+0x39/0x90 [573871.225294] rwsem_down_write_failed+0x16a/0x300 [573871.228933] ? call_rwsem_down_write_failed+0x13/0x20 [573871.232925] call_rwsem_down_write_failed+0x13/0x20 [573871.236742] down_write_nested+0x87/0xb0 [573871.239851] do_unlinkat+0x130/0x310 [573871.242747] do_syscall_64+0x60/0x190 [573871.245683] entry_SYSCALL_64_after_hwframe+0x49/0xbe [573871.249591] RIP: 0033:0x7fd5eda81117 [573871.252454] Code: Bad RIP value. [573871.255045] RSP: 002b:00007fd5e67fae18 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 [573871.261002] RAX: ffffffffffffffda RBX: 00007fd5e67fae40 RCX: 00007fd5eda81117 [573871.266855] RDX: 0000000000000000 RSI: 00007fd598003d70 RDI: 0000000000000003 [573871.272742] RBP: 0000563346f72f78 R08: 0000000000000000 R09: 00007fd5e67faef0 [573871.274377] R10: 000056334558ec60 R11: 0000000000000246 R12: 00007fd5e67faf50 [573871.280664] R13: 00007fd5e67fb170 R14: 00007fd59800b4b0 R15: 00007fd5e67fb120 [573871.286681] crawl_writeback D 0 4554 4537 0x00000000 [573871.291274] Call Trace: [573871.293418] ? __schedule+0x3cf/0xb60 [573871.296478] schedule+0x39/0x90 [573871.299132] wait_current_trans+0xc3/0x100 [573871.302523] ? wait_woken+0xa0/0xa0 [573871.305539] start_transaction+0x13f/0x460 [573871.308956] btrfs_create+0x58/0x1f0 [573871.311985] lookup_open+0x451/0x770 [573871.315006] path_openat+0x435/0xbb0 [573871.318000] do_filp_open+0x99/0x110 [573871.321097] ? __alloc_fd+0xee/0x200 [573871.324301] ? do_raw_spin_unlock+0x49/0xc0 [573871.328074] ? do_sys_open+0x14a/0x210 [573871.331430] do_sys_open+0x14a/0x210 [573871.334633] do_syscall_64+0x60/0x190 [573871.337905] entry_SYSCALL_64_after_hwframe+0x49/0xbe [573871.342230] RIP: 0033:0x7fd5eda7f847 [573871.345333] Code: Bad RIP value. [573871.348248] RSP: 002b:00007fd5e499fcc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [573871.354668] RAX: ffffffffffffffda RBX: 00000000000e09c1 RCX: 00007fd5eda7f847 [573871.360572] RDX: 00000000000e09c1 RSI: 00007fd594000b20 RDI: 0000000000000003 [573871.366456] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007fd5e49a0080 [573871.372160] R10: 0000000000000180 R11: 0000000000000293 R12: 00007fd594000b20 [573871.377834] R13: 0000000000000003 R14: 00007fd5e49a03d0 R15: 00007fd5e49a0350 [573871.383707] kworker/u8:0 D 0 27279 2 0x80000000 [573871.388290] Workqueue: btrfs-endio-write btrfs_endio_write_helper [573871.393359] Call Trace: [573871.395574] ? __schedule+0x3cf/0xb60 [573871.398743] schedule+0x39/0x90 [573871.401438] wait_current_trans+0xc3/0x100 [573871.404926] ? wait_woken+0xa0/0xa0 [573871.407881] start_transaction+0x21a/0x460 [573871.411309] btrfs_finish_ordered_io+0x492/0x7e0 [573871.415121] normal_work_helper+0x95/0x530 [573871.418555] process_one_work+0x223/0x5d0 [573871.421998] worker_thread+0x4f/0x3b0 [573871.425198] kthread+0x106/0x140 [573871.428121] ? process_one_work+0x5d0/0x5d0 [573871.431825] ? kthread_park+0x90/0x90 [573871.435066] ret_from_fork+0x3a/0x50 [573871.438181] kworker/u8:14 D 0 15161 2 0x80000000 [573871.442785] Workqueue: btrfs-endio-write btrfs_endio_write_helper [573871.447777] Call Trace: [573871.449916] ? __schedule+0x3cf/0xb60 [573871.452971] schedule+0x39/0x90 [573871.455716] wait_current_trans+0xc3/0x100 [573871.459181] ? wait_woken+0xa0/0xa0 [573871.462174] start_transaction+0x21a/0x460 [573871.465633] btrfs_finish_ordered_io+0x492/0x7e0 [573871.469430] normal_work_helper+0x95/0x530 [573871.472784] process_one_work+0x223/0x5d0 [573871.476078] worker_thread+0x4f/0x3b0 [573871.479116] kthread+0x106/0x140 [573871.481819] ? process_one_work+0x5d0/0x5d0 [573871.485236] ? kthread_park+0x90/0x90 [573871.488292] ret_from_fork+0x3a/0x50 [573871.491453] kworker/u8:17 D 0 23801 2 0x80000000 [573871.496239] Workqueue: btrfs-flush_delalloc btrfs_flush_delalloc_helper [573871.501882] Call Trace: [573871.504102] ? __schedule+0x3cf/0xb60 [573871.507305] schedule+0x39/0x90 [573871.510091] btrfs_start_ordered_extent+0x10a/0x1b0 [573871.514178] ? wait_woken+0xa0/0xa0 [573871.517248] btrfs_run_ordered_extent_work+0x21/0x30 [573871.519956] normal_work_helper+0x95/0x530 [573871.521156] process_one_work+0x223/0x5d0 [573871.525102] worker_thread+0x4f/0x3b0 [573871.527891] kthread+0x106/0x140 [573871.531303] ? process_one_work+0x5d0/0x5d0 [573871.534825] ? kthread_park+0x90/0x90 [573871.537987] ret_from_fork+0x3a/0x50 [573871.541073] kworker/u8:10 D 0 4421 2 0x80000000 [573871.546477] Workqueue: btrfs-endio-write btrfs_endio_write_helper [573871.552581] Call Trace: [573871.554839] ? __schedule+0x3cf/0xb60 [573871.558046] schedule+0x39/0x90 [573871.560804] wait_current_trans+0xc3/0x100 [573871.564327] ? wait_woken+0xa0/0xa0 [573871.568464] start_transaction+0x21a/0x460 [573871.572087] btrfs_finish_ordered_io+0x492/0x7e0 [573871.576026] normal_work_helper+0x95/0x530 [573871.580231] process_one_work+0x223/0x5d0 [573871.583564] worker_thread+0x4f/0x3b0 [573871.586649] kthread+0x106/0x140 [573871.589343] ? process_one_work+0x5d0/0x5d0 [573871.592762] ? kthread_park+0x90/0x90 [573871.595837] ret_from_fork+0x3a/0x50 [573871.598912] kworker/u8:1 D 0 17773 2 0x80000000 [573871.603488] Workqueue: btrfs-endio-write btrfs_endio_write_helper [573871.608535] Call Trace: [573871.610722] ? __schedule+0x3cf/0xb60 [573871.613924] schedule+0x39/0x90 [573871.616706] wait_current_trans+0xc3/0x100 [573871.620241] ? wait_woken+0xa0/0xa0 [573871.623248] start_transaction+0x21a/0x460 [573871.626734] btrfs_finish_ordered_io+0x492/0x7e0 [573871.630627] normal_work_helper+0x95/0x530 [573871.634232] process_one_work+0x223/0x5d0 [573871.637772] worker_thread+0x4f/0x3b0 [573871.641029] kthread+0x106/0x140 [573871.643825] ? process_one_work+0x5d0/0x5d0 [573871.647422] ? kthread_park+0x90/0x90 [573871.648344] ret_from_fork+0x3a/0x50 [573871.649126] rsync D 0 3068 3054 0x00000000 [573871.650256] Call Trace: [573871.650789] ? __schedule+0x3cf/0xb60 [573871.651589] schedule+0x39/0x90 [573871.652283] wait_current_trans+0xc3/0x100 [573871.653191] ? wait_woken+0xa0/0xa0 [573871.654236] start_transaction+0x21a/0x460 [573871.655154] btrfs_evict_inode+0x47d/0x520 [573871.656043] ? dput+0x25/0x2e0 [573871.656726] evict+0xbf/0x1c0 [573871.657394] __dentry_kill+0xca/0x1b0 [573871.658198] dentry_kill+0x50/0x1d0 [573871.658929] ? dput+0x25/0x2e0 [573871.659588] dput+0x286/0x2e0 [573871.660224] do_renameat2+0x3fc/0x570 [573871.661000] __x64_sys_rename+0x1c/0x20 [573871.661806] do_syscall_64+0x60/0x190 [573871.662741] entry_SYSCALL_64_after_hwframe+0x49/0xbe [573871.663971] RIP: 0033:0x7f539eaa4d47 [573871.664867] Code: Bad RIP value. [573871.665663] RSP: 002b:00007ffc71486c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [573871.667489] RAX: ffffffffffffffda RBX: 00007ffc71488e30 RCX: 00007f539eaa4d47 [573871.669223] RDX: 0000000000000000 RSI: 00007ffc71486e30 RDI: 00007ffc71488e30 [573871.671126] RBP: 00007ffc71486e30 R08: 0000000000000000 R09: 0000000000000001 [573871.672985] R10: 0000000000000100 R11: 0000000000000246 R12: 0000000000000000 [573871.674899] R13: 0000000000000004 R14: 0000000000008180 R15: 0000000000000001 [573871.676784] rsync D 0 9157 9148 0x00000000 [573871.678162] Call Trace: [573871.678789] ? __schedule+0x3cf/0xb60 [573871.679835] schedule+0x39/0x90 [573871.680703] wait_current_trans+0xc3/0x100 [573871.681829] ? wait_woken+0xa0/0xa0 [573871.682690] start_transaction+0x21a/0x460 [573871.683789] btrfs_dirty_inode+0x42/0xd0 [573871.684748] btrfs_setattr+0xab/0x590 [573871.685693] ? current_time+0x4d/0x90 [573871.686610] notify_change+0x2f0/0x450 [573871.687603] chown_common+0x1ac/0x1d0 [573871.688485] ? rcu_read_lock_sched_held+0x68/0x70 [573871.689743] do_fchownat+0xbc/0xf0 [573871.690650] __x64_sys_lchown+0x21/0x30 [573871.691594] do_syscall_64+0x60/0x190 [573871.692460] entry_SYSCALL_64_after_hwframe+0x49/0xbe [573871.693756] RIP: 0033:0x7f8cc9ac29b7 [573871.694648] Code: Bad RIP value. [573871.695452] RSP: 002b:00007ffd2bdbd5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000005e [573871.697377] RAX: ffffffffffffffda RBX: 00000000000041c0 RCX: 00007f8cc9ac29b7 [573871.699268] RDX: 00000000000003e8 RSI: 00000000000003e8 RDI: 00007ffd2bdbfa10 [573871.701174] RBP: 00007ffd2bdbfa10 R08: 0000000000000000 R09: 0000000000000000 [573871.702972] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2bdbd8e0 [573871.704864] R13: 00000000000003e8 R14: 0000558019715758 R15: 0000000000000001 [573871.706837] rsync D 0 10148 10138 0x00000000 [573871.708286] Call Trace: [573871.708921] ? __schedule+0x3cf/0xb60 [573871.710017] schedule+0x39/0x90 [573871.710865] wait_current_trans+0xc3/0x100 [573871.711956] ? wait_woken+0xa0/0xa0 [573871.712942] start_transaction+0x13f/0x460 [573871.714018] btrfs_link+0xb1/0x280 [573871.714899] vfs_link+0x23e/0x310 [573871.715746] do_linkat+0x296/0x340 [573871.716742] __x64_sys_link+0x1c/0x20 [573871.717664] do_syscall_64+0x60/0x190 [573871.718691] entry_SYSCALL_64_after_hwframe+0x49/0xbe [573871.720020] RIP: 0033:0x7f0ad9ccbfc7 [573871.720964] Code: Bad RIP value. [573871.721808] RSP: 002b:00007ffe17e262a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 [573871.723825] RAX: ffffffffffffffda RBX: 0000561a33fcd098 RCX: 00007f0ad9ccbfc7 [573871.725767] RDX: 0000000000000000 RSI: 00007ffe17e262f0 RDI: 0000561a303452c0 [573871.727529] RBP: 0000561a303452c0 R08: 0000000000000000 R09: 00007ffe17e2a710 [573871.729252] R10: 0000000000000064 R11: 0000000000000246 R12: 00007ffe17e262f0 [573871.731148] R13: 0000000000000000 R14: 0000561a303452c0 R15: 0000561a33fcd098 [573871.732946] kworker/u8:5 D 0 1064 2 0x80000000 [573871.734371] Workqueue: btrfs-endio-write btrfs_endio_write_helper [573871.735956] Call Trace: [573871.736625] ? __schedule+0x3cf/0xb60 [573871.737644] schedule+0x39/0x90 [573871.738424] wait_current_trans+0xc3/0x100 [573871.739520] ? wait_woken+0xa0/0xa0 [573871.740416] start_transaction+0x21a/0x460 [573871.741506] btrfs_finish_ordered_io+0x492/0x7e0 [573871.742726] normal_work_helper+0x95/0x530 [573871.743747] process_one_work+0x223/0x5d0 [573871.744868] worker_thread+0x4f/0x3b0 [573871.745812] kthread+0x106/0x140 [573871.746603] ? process_one_work+0x5d0/0x5d0 [573871.747753] ? kthread_park+0x90/0x90 [573871.748751] ret_from_fork+0x3a/0x50 [573871.749713] kworker/u8:9 D 0 6027 2 0x80000000 [573871.751135] Workqueue: btrfs-endio-write btrfs_endio_write_helper [573871.752691] Call Trace: [573871.753233] ? __schedule+0x3cf/0xb60 [573871.754177] schedule+0x39/0x90 [573871.754957] wait_current_trans+0xc3/0x100 [573871.755864] ? wait_woken+0xa0/0xa0 [573871.756777] start_transaction+0x21a/0x460 [573871.757843] btrfs_finish_ordered_io+0x492/0x7e0 [573871.759189] normal_work_helper+0x95/0x530 [573871.760342] process_one_work+0x223/0x5d0 [573871.761526] worker_thread+0x4f/0x3b0 [573871.762559] kthread+0x106/0x140 [573871.763463] ? process_one_work+0x5d0/0x5d0 [573871.764592] ? kthread_park+0x90/0x90 [573871.765657] ret_from_fork+0x3a/0x50 [573871.766674] btrfs D 0 19926 4537 0x00000000 [573871.768208] Call Trace: [573871.768956] ? __schedule+0x3cf/0xb60 [573871.770052] schedule+0x39/0x90 [573871.770905] schedule_timeout+0x228/0x4e0 [573871.771996] ? mark_held_locks+0x6a/0x90 [573871.772961] ? _raw_spin_unlock_irq+0x29/0x40 [573871.774157] wait_for_common+0x155/0x220 [573871.775262] ? wake_up_q+0x70/0x70 [573871.776133] btrfs_wait_ordered_extents+0x27c/0x400 [573871.777477] btrfs_mksubvol+0x3cd/0x5e0 [573871.778450] ? rcu_read_lock_sched_held+0x68/0x70 [573871.779637] ? rcu_sync_lockdep_assert+0x30/0x60 [573871.780829] ? __sb_start_write+0xcc/0x1b0 [573871.781831] ? mnt_want_write_file+0x24/0x50 [573871.783016] btrfs_ioctl_snap_create_transid+0x169/0x1a0 [573871.784449] btrfs_ioctl_snap_create_v2+0x11d/0x170 [573871.785716] btrfs_ioctl+0x1351/0x2cb0 [573871.786692] ? kvm_sched_clock_read+0x14/0x30 [573871.787778] ? __handle_mm_fault+0x1067/0x1810 [573871.788844] ? do_raw_spin_unlock+0x49/0xc0 [573871.789842] ? _raw_spin_unlock+0x24/0x30 [573871.790882] ? __handle_mm_fault+0x1067/0x1810 [573871.791917] ? do_vfs_ioctl+0xa2/0x6f0 [573871.792901] ? btrfs_ioctl_get_supported_features+0x30/0x30 [573871.794404] do_vfs_ioctl+0xa2/0x6f0 [573871.795263] ? __do_page_fault+0x1fa/0x5a0 [573871.796289] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [573871.797557] ksys_ioctl+0x70/0x80 [573871.798431] __x64_sys_ioctl+0x16/0x20 [573871.799384] do_syscall_64+0x60/0x190 [573871.800254] entry_SYSCALL_64_after_hwframe+0x49/0xbe [573871.801407] RIP: 0033:0x7f4657246017 [573871.802177] Code: Bad RIP value. [573871.802975] RSP: 002b:00007fffb9cdb928 EFLAGS: 00000206 ORIG_RAX: 0000000000000010 [573871.804897] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4657246017 [573871.806659] RDX: 00007fffb9cdb968 RSI: 0000000050009417 RDI: 0000000000000003 [573871.808372] RBP: 00000000013e1010 R08: 0000000000000008 R09: 0000000000000048 [573871.810129] R10: 0000000000000541 R11: 0000000000000206 R12: 00000000013e1040 [573871.811974] R13: 00000000013e1040 R14: 0000000000000004 R15: 0000000000000003
signature.asc
Description: PGP signature
